<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if="showList">
      <!-- slides -->
      <swiper-slide v-for="item of list" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl">
      </swiper-slide>
      
      <!-- Optional controls -->
      <div class="swiper-pagination"  slot="pagination"></div>
      <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
      <!-- <div class="swiper-scrollbar"   slot="scrollbar"></div> -->
    </swiper>
  </div>
</template>

<script>
export default {
	name:'HomeSwiper',
  props: {
    list: Array
  },
	data () {
		return {
			swiperOption: {
        pagination: '.swiper-pagination',  //小圆点
        paginationClickable :true,    //小圆点切图
        autoplay : 3000,              //自动轮播
        autoplayDisableOnInteraction : false,  //操作后仍可自动轮播
        prevButton:'.swiper-button-prev',   //上一张
        nextButton:'.swiper-button-next',   //下一张
        loop: true                          //循环
      }
		}
	},
  computed: {
    showList () {
      return this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active
    background: #fff
  .wrapper
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 31.25%
    background: #eee
    .swiper-img
      width: 100%
</style>